27470421

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 18655659

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 239, 243, 297, 387, 473, 717, 891, 1161, 1419, 2151, 2629, 2673, 3483, 4257, 6453, 7887, 10277, 10449, 12771, 19359, 23661, 30831, 38313, 58077, 70983, 92493, 113047, 114939, 212949, 277479, 339141, 638847, 832437, 1017423, 2497311, 3052269, 9156807, 27470421]

約数ペア:

[(1, 27470421), (3, 9156807), (9, 3052269), (11, 2497311), (27, 1017423), (33, 832437), (43, 638847), (81, 339141), (99, 277479), (129, 212949), (239, 114939), (243, 113047), (297, 92493), (387, 70983), (473, 58077), (717, 38313), (891, 30831), (1161, 23661), (1419, 19359), (2151, 12771), (2629, 10449), (2673, 10277), (3483, 7887), (4257, 6453)]